High severity7.5NVD Advisory· Published Oct 1, 2026· Updated Oct 1, 2026
CVE-2026-104020
CVE-2026-104020
Description
Uncontrolled recursion in the Ion reader in Amazon Ion Python before 0.15.0 might allow a remote unauthenticated actor to crash the application using the library, resulting in a denial of service, via a crafted, deeply nested Ion value.
To remediate this issue, users should upgrade to version 0.15.0 or later.
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Affected products
1- Range: <0.15.0
Patches
Vulnerability mechanics
References
3News mentions
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